assessing intelligence peter lee and sejin paik. how do we measure intelligence? wais (wechsler...
TRANSCRIPT
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ASSESSING INTELLIGENCEPETER LEE AND SEJIN PAIK
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How Do We Measure Intelligence?
WAIS (Wechsler Adult Intelligence Scale) - widely used intelligence test that contains two parts
Provides clues to cognitive strengths that teachers or employers use to evaluate people
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1st Part: Verbal
General Information
Similarities
Arithmetic Reasoning
Vocabulary
Comprehension
Digit Span
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2nd Part:Performance
Picture Completion
Picture Arrangement
Block Design
Object Assembly
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EXTREMES OF INTELLIGENCE
(watch video)
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Mental Retardation
Condition of limited mental ability
Intelligence score is lower than 70
Difficulty in adapting to the demands of life
varies from mild to profound
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Down Syndrome
A physical disorder that causes mental retardation
An extra chromosome in one’s genetic makeup
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Principles of Test Construction
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Psychological Tests
Aptitude Tests
Aptitude = natural ability to do something
Achievement Tests
Achievement = something that you’ve already done
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3 Factors
Standardization
Reliability --> Validity
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Standardization
Give a test to a group of people
Test other people group and use a scoring system to compare the scores
Most standardized tests have normal distribution shown by a normal curve
Ex: SAT / ACT
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Reliability
Reliable - consistently good in quality/performance (macbook dictionary)
Want the test to be reliable
If people take same / similar form of test again, scores should be same / similar
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Validity Does the test test what really it’s supposed to test?
How do you know if a test is valid?
Content validity - test tests behavior similar to what’s being tested
Ex: In a Driving test, they ask you to drive
Criterion - test is trying to determine something
Predictive Validity - test tries to predict the future
Ex: SATs and APs are taken mainly to predict how you might do in college academically
= ??????
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Citations
http://upload.wikimedia.org/wikipedia/en/c/c2/Actgraph.jpg
http://z.about.com/d/collegeapps/1/G/P/-/-/-/sat_geeknerd99_flickr.jpg
http://www.mlmabsolute.com/images/choosing-thoughts-to-create-success.jpg